Definition: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Input: Question: Evaluate
30!/28!

 Option A: 970

 Option B: 870

 Option C: 770

 Option D: 670

 Option E: None of these

Option B